1/2″ Chips, small stones, the next size up from 3/8″ chips. Suitable for driveways also. It is sold lose by the tonne.
Chips
3/8" Chips. Very small stones
Quarry Products
Plastering sand
Bags
An empty small bag.
Blocks
Regular 4" block with a 90 degree offset.
A tonne bag of sand.
Gravel
Clause 804
Regular 4" block with a 30 degree offset.
Small empty heavy duty sand bag.
Concrete block that weighs one tonne.
Aggregate mix